121465775 has 24 divisors (see below), whose sum is σ = 156686400. Its totient is φ = 93296000.

The previous prime is 121465763. The next prime is 121465777. The reversal of 121465775 is 577564121.

It is not a de Polignac number, because 121465775 - 2⁶ = 121465711 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121465777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172925 + ... + 173625.

It is an arithmetic number, because the mean of its divisors is an integer number (6528600).

Almost surely, 2^121465775 is an apocalyptic number.

121465775 is a deficient number, since it is larger than the sum of its proper divisors (35220625).

121465775 is a wasteful number, since it uses less digits than its factorization.

121465775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 974 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 121465775 is about 11021.1512556538. The cubic root of 121465775 is about 495.2425774277.

The spelling of 121465775 in words is "one hundred twenty-one million, four hundred sixty-five thousand, seven hundred seventy-five".